US

Republican U.S. presidential nominee Donald Trump leads his employees in a thumbs-up group photo after a campaign event with them at his Trump National Doral golf club in Miami, Florida, U.S. October 25, 2016. R

Jonathan Ernst/Reuters

Republican U.S. presidential nominee Donald Trump leads his employees in a thumbs-up group photo after a campaign event with them at his Trump National Doral golf club in Miami, Florida. Photo Jonathan Ernst/Reuters

A photographer sets up in front of the Reflecting Pool on the National Mall to capture daybreak behind the Washington Monument, Tuesday, Oct. 25, 2016, in Washington. (AP Photo/J. David Ake)

J. David Ake/AP

A photographer sets up in front of the Reflecting Pool on the National Mall to capture daybreak behind the Washington Monument. Photo J. David Ake/AP

The U.S. Navy destroyer USS Carney sets sail in the Bosphorus, on its way to the Black Sea, in Istanbul, Turkey, October 24, 2016. REUTERS/Murad Sezer

Murad Sezer/Reuters

The U.S. Navy destroyer USS Carney sets sail in the Bosphorus, on its way to the Black Sea, in Istanbul, Turkey. Photo Murad Sezer/Reuters

Obama campaigns for Hillary Clinton in Las Vegas, Nevada

Kevin Lamarque/Reuters

U.S. President Barack Obama reacts as he is almost pulled off the catwalk by a supporter as he arrives to speak at a rally for Hillary Clinton in Las Vegas, Nevada. Picture Kevin Lamarque/Reuters

Republican presidential nominee Donald Trump pats Democratic presidential nominee Hillary Clinton on the back as she speaks with Timothy Cardinal Dolan, Archbishop of New York, during the Alfred E. Smith Memorial Foundation Dinner at Waldorf Astoria October 20, 2016 in New York, New York. / AFP PHOTO / Brendan Smialowsk

Brendan Smialowski/AFP/Getty Images

Republican presidential nominee Donald Trump pats Democratic presidential nominee Hillary Clinton on the back as she speaks with Timothy Cardinal Dolan, Archbishop of New York, during the Alfred E. Smith Memorial Foundation Dinner at Waldorf Astoria. Photo Brendan Smialowsk/AFP/Getty Images

US President Barack Obama waves as he departs the White House in Washington, DC, on October 20, 2016 en route to Miami, Florida

Nicholas Kamm/AFP/Getty

US President Barack Obama waves as he departs the White House in Washington DC en route to Miami, Florida. Photo Nicholas Kamm/AFP/Getty 

A man wears a shirt with photographs of Hillary Clinton, 2016 Democratic presidential nominee, while watching the third U.S. presidential debate at a viewing party in San Francisco, California, U.S., on Wednesday, Oct. 19, 2016. Donald Trump is trying another wild-card play in the third and final presidential debate with Hillary Clinton in perhaps his last chance to reverse his campaign's spiral and halt his Democratic rival's rising electoral strength. Photographer: David Paul Morris/Bloomberg

David Paul Morris/Bloomberg

A man wears a shirt with photographs of Hillary Clinton, 2016 Democratic presidential nominee, while watching the third U.S. presidential debate at a viewing party in San Francisco, California, U.S. Photo David Paul Morris/Bloomberg 

Republican U.S. presidential nominee Donald Trump is shown on TV monitors in the media filing room on the campus of University of Nevada, Las Vegas, during the last 2016 U.S. presidential debate in Las Vegas, U.S., October 19, 2016. REUTERS/Jim Urquhart TPX IMAGES OF THE DAY

Jim Urquhart/Reuters

Republican U.S. presidential nominee Donald Trump is shown on TV monitors in the media filing room on the campus of University of Nevada, Las Vegas, during the last 2016 U.S. presidential debate in Las Vegas, U.S. Jim Urquhart/Reuters 

Commuters arrive from Metro North Railroad trains in Grand Central Station in New York October 19, 2016. / AFP PHOTO / TIMOTHY A. CLARY

Timothy Clary/AFP/Getty Images

Commuters arrive from Metro North Railroad trains in Grand Central Station in New York. Photo Timothy A Clary/AFP/Getty Images

Protesters gather in front of a campaign office for Republican presidential candidate Donald Trump in Philadelphia, Tuesday, Oct. 18, 2016. (AP Photo/Matt Rourke)

Matt Rourke/AP

Protesters gather in front of a campaign office for Republican presidential candidate Donald Trump in Philadelphia. Photo Matt Rourke/AP. 

U.S. President Barack Obama (L) and Italy's Prime Minister Matteo Renzi stand for the playing of the anthems during an official arrival ceremony on the South Lawn of the White House in Washington, U.S., October 18, 2016.   REUTERS/Kevin Lamarque

Kevin Lamarque/Reuters

U.S. President Barack Obama and Italy’s Prime Minister Matteo Renzi stand for the playing of the anthems during an official arrival ceremony on the South Lawn of the White House in Washington, U.S. Photo Kevin Lamarque/Reuters 

A flooded building is pictured after Hurricane Matthew passes in Lumberton, North Carolina, U.S., October 11, 2016.

Carlo Allegri/Reuters

A flooded building is pictured after Hurricane Matthew passes in Lumberton, North Carolina, U.S. Carlo Allegri/Reuters 

Mandel Ngan/AFP/Getty

“The Park People Series” by artist Nathan Sawaya is seen on the South Lawn of the White House during the “South By South Lawn”, SXSL, festival. Photo Mandel Ngan/AFP/Getty

Train personel survey the NJ Transit train that crashed in to the platform at the Hoboken Terminal September 29, 2016 in Hoboken, New Jersey. (Photo by Pancho Bernasconi/Getty Images)

Pancho Bernasconi/Getty Images

Train personnel survey the NJ Transit train that crashed in to the platform at the Hoboken Terminal, New Jersey Credit: Pancho Bernasconi/Getty Images

Republican presidential nominee Donald Trump (L) and Democratic presidential nominee Hillary Clinton greet each other before the first US Presidential Debate at Hofstra University September 26, 2016 in Hempstead, New York

Brendan Smialowski/AFP/Getty Images

Republican presidential nominee Donald Trump (L) and Democratic presidential nominee Hillary Clinton greet each other before the first US Presidential Debate at Hofstra University in Hempstead, New York

Festival goers arriving at sunset attend the first day of Wasteland Weekend in the high desert community of California City in the Mojave Desert, California, where people are gathering for the world's largest post-apocalyptic festival

Fredreic J. Brown/AFP

Festival goers arriving at sunset attend the first day of Wasteland Weekend in the high desert community of California City in the Mojave Desert, California, where people are gathering for the world’s largest post-apocalyptic festival

Demonstrators march during protests September 22, 2016 in Charlotte, North Carolina. Protests began on Tuesday night following the fatal shooting of 43-year-old Keith Lamont Scott at an apartment complex near UNC Charlotte

Sean Rayford/Getty Images

Demonstrators march during protests September 22, in Charlotte, North Carolina. Protests began on Tuesday night following the fatal shooting of 43-year-old Keith Lamont Scott at an apartment complex near UNC Charlotte

Jo Applin from the Courtauld Institute of Art looks at Green Tilework in Live Flesh by Adriana Vareja,  which features in a new exhibition, Flesh, at York Art Gallery.

Danny Lawson/PA

Jo Applin from the Courtauld Institute of Art looks at Green Tilework in Live Flesh by Adriana Vareja, which features in a new exhibition, Flesh, at York Art Gallery

 Protesters shout and confront riot police officers in Charlotte, North Carolina, USA

Caitlin Penna/EPA

Protesters shout and confront riot police officers in Charlotte, North Carolina, USA 

A campaigner holds an American flag in front of a 'Stop Trump' open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain

Stefan Wermuth/Reuters

A campaigner holds an American flag in front of a ‘Stop Trump’ open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain